10 lines
163 B
Rust
10 lines
163 B
Rust
|
fn with_int(f: fn(x: &int)) {
|
||
|
|
let x = 3;
|
||
|
|
f(&x);
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let mut x: option<&int> = none; //~ ERROR cannot infer
|
||
|
|
with_int(|y| x = some(y));
|
||
|
|
}
|